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Odor cues during slow-wave sleep prompt declarative memory consolidation.

Sleep facilitates memory consolidation. A widely held model assumes that this is because newly encoded memories undergo covert reactivation during sleep. We cued new memories in humans during sleep by presenting an odor that had been presented as context during prior learning, and so showed that rea... Full description

Journal Title: Science (New York N.Y.), March 9, 2007, Vol.315(5817), pp.1426-1429
Main Author: Rasch, Björn
Other Authors: Büchel, Christian , Gais, Steffen , Born, Jan
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1095-9203
Link: http://search.proquest.com/docview/70246195/?pq-origsite=primo
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recordid: proquest70246195
title: Odor cues during slow-wave sleep prompt declarative memory consolidation.
format: Article
creator:
  • Rasch, Björn
  • Büchel, Christian
  • Gais, Steffen
  • Born, Jan
subjects:
  • Adult–Physiology
  • Brain–Physiology
  • Brain Mapping–Physiology
  • Cues–Physiology
  • Electroencephalography–Physiology
  • Female–Physiology
  • Hippocampus–Physiology
  • Humans–Physiology
  • Learning–Physiology
  • Magnetic Resonance Imaging–Physiology
  • Male–Physiology
  • Memory–Physiology
  • Odorants–Physiology
  • Sleep–Physiology
  • Sleep, Rem–Physiology
  • Wakefulness–Physiology
ispartof: Science (New York, N.Y.), March 9, 2007, Vol.315(5817), pp.1426-1429
description: Sleep facilitates memory consolidation. A widely held model assumes that this is because newly encoded memories undergo covert reactivation during sleep. We cued new memories in humans during sleep by presenting an odor that had been presented as context during prior learning, and so showed that reactivation indeed causes memory consolidation during sleep. Re-exposure to the odor during slow-wave sleep (SWS) improved the retention of hippocampus-dependent declarative memories but not of hippocampus-independent procedural memories. Odor re-exposure was ineffective during rapid eye movement sleep or wakefulness or when the odor had been omitted during prior learning. Concurring with these findings, functional magnetic resonance imaging revealed significant hippocampal activation in response to odor re-exposure during SWS. [PUBLICATION ]
language: eng
source:
identifier: E-ISSN: 1095-9203
fulltext: no_fulltext
issn:
  • 10959203
  • 1095-9203
url: Link


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titleOdor cues during slow-wave sleep prompt declarative memory consolidation.
creatorRasch, Björn ; Büchel, Christian ; Gais, Steffen ; Born, Jan
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ispartofScience (New York, N.Y.), March 9, 2007, Vol.315(5817), pp.1426-1429
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subjectAdult–Physiology ; Brain–Physiology ; Brain Mapping–Physiology ; Cues–Physiology ; Electroencephalography–Physiology ; Female–Physiology ; Hippocampus–Physiology ; Humans–Physiology ; Learning–Physiology ; Magnetic Resonance Imaging–Physiology ; Male–Physiology ; Memory–Physiology ; Odorants–Physiology ; Sleep–Physiology ; Sleep, Rem–Physiology ; Wakefulness–Physiology
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descriptionSleep facilitates memory consolidation. A widely held model assumes that this is because newly encoded memories undergo covert reactivation during sleep. We cued new memories in humans during sleep by presenting an odor that had been presented as context during prior learning, and so showed that reactivation indeed causes memory consolidation during sleep. Re-exposure to the odor during slow-wave sleep (SWS) improved the retention of hippocampus-dependent declarative memories but not of hippocampus-independent procedural memories. Odor re-exposure was ineffective during rapid eye movement sleep or wakefulness or when the odor had been omitted during prior learning. Concurring with these findings, functional magnetic resonance imaging revealed significant hippocampal activation in response to odor re-exposure during SWS. [PUBLICATION ]
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